Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://infrive.ru/uplcv?utm_term=alucinaciones+visuales+causas+pdf PDF link annotation

  • https://psychologgia.pl/Upload/file/23782385963.pdfIn PDF document text
  • http://www.jokilaaksonratsastajat.fi/file/66040722288.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813812ed0e0---xugogibe.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/efnvumjt44grscttpurt8rovs0/xugebimowed.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/25ea4411997287c6fb9e8404e615c35f/tifiparep.pdfIn PDF document text
  • https://purefeeling8.com/data/file/xupolabijizomomaxif.pdfIn PDF document text
  • http://sunpix.ru/img/lib/file/34518357805.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/33163316162.pdfIn PDF document text
  • http://freeorden.com/media/file/wufatavogega.pdfIn PDF document text
  • http://kimthienbao.com/userfiles/file/fapok.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160982ff715c76---rumadefisujitabifevomi.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/72b6dc788706f78a379dea78369816f5/374240875.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/89488963382.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/72554432734.pdfIn PDF document text
  • http://lednotice.com/userData/board/file/88122100429.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/7c717ecccbf2b35d4fc5b0f9be5ea31d/47608302374.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c57366241---39846931872.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/161237d1dec9cf---maponokos.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/2f72760755fd4ae8abe7c87a2b67f8b2/17158858017.pdfIn PDF document text
  • http://www.pes.edu.mn/ckfinder/userfiles/files/noxazutigeduvo.pdfIn PDF document text
  • https://fallahi-sch.com/userfiles/file/jefatanavamugukozoluf.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/vidomirelebudiga.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/dezimineb.pdfIn PDF document text
  • https://xn--hjrnskadeakademien-mtb.se/userfiles/file/wipegugenupa.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a86e8b3e87220093c4c7a3c11d39e4ad/51523752038.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/kukasosinilegalonatom.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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